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Home >> Mini >> 2021 >> Cooper Base, 4D Hatchback, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> General Electrical System -- Repair Cooper (F55 & F56) >> 61 20 Battery, General Information >> 61 20 900 Disconnecting and connecting battery ground lead (Cooper 4-door hatchback and 2-door hatchback 2020-2023, except EV) >> Disconnecting the battery ground lead

Disconnecting the battery ground lead

NOTE: RISK OF DAMAGE 
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS). 
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults. 
  • Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
NOTE: TECHNICAL INFORMATION 
Observe the notes on handling the vehicle battery.
For additional information see:
SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY 
NOTES FOR DISCONNECTING AND CONNECTING THE VEHICLE BATTERY 
NOTES ON INTELLIGENT BATTERY SENSOR (IBS) 
G11649803Courtesy of BMW OF NORTH AMERICA, INC.